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Page 11. Features: Deep Ocean Trenches and island arcs such as of Japan Aleutian Islands (of Alaska). 2. Oceanic-Oceanic - __________________________________________________________________________________________________________________. Page 11. Deep powerful earthquakes, subduction. - PowerPoint PPT Presentation
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2. Oceanic-Oceanic - 2. Oceanic-Oceanic - ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Features: Deep Ocean Trenches and island arcs such as of Japan Aleutian Islands (of Alaska)
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2. Oceanic-Oceanic - 2. Oceanic-Oceanic - ________________________________________________________________________________________________________________________________________________________Deep powerful earthquakes, subduction
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We are going to fly over Alaska and the Aleutian Islands
Aleutian Islands
What features should we be looking for?
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Unimak Island Page 11
Unimak Island
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trenchPut with convergent plate boundary or volcanoes
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_____________________
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- Features:
Convergent Boundary (Ocean-ocean)
Strong, deep earthquakesTrench, volcanic island arcs
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Subduction and Earthquake Depth
BLUE= shallow YELLOW= moderate RED= deep
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Continental crust colliding with continental crust
What features do we expect to find here?
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__________________
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- Features:
Convergent Boundary (Continental-continental)
Strong, deep quakes
Folded Mountains
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- Features:
Convergent Boundary (Continental-continental)
Strong, deep quakes
Folded Mountains
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We’re off to Southeastern Asia, one of the best places to observe this type of plate boundary!
India
China
Nepal
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3. Continental-3. Continental-
ContinentalContinental
India colliding with Asia forming the Himalaya Mountains
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Himalayas
IndiaChina
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Mount Everest, Nepal
29,035 feet tall! (8850 meters)
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________________
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Transform Boundary (Strike-slip fault)
Moderate, shallow quakes
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c. Transform Plate Boundaries- c. Transform Plate Boundaries- __________________________________________________________________________San Andreas Fault
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The San AndreasFault in California
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The most famous and most active transform fault
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A. Divergent Plate Boundaries- ____________________________________________________________________
1. Ocean (example)- _________________1. Ocean (example)- _________________
Where two plates are moving apart
Mid Atlantic Ridge
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______________________________________
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- Features: - Features:
Divergent Plate Boundaries
Usually minor quakes, shallow depth
Mid- ocean ridges, volcanoes, & rift valleys
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2323
Earthquake Depth and Plate Tectonic Setting, Selfos, Iceland (June 2000)
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Plate Boundaries Data TableLocation Type of Boundary
Divergent Convergent Transform
East Pacific Ridge
Aleutian Trench
West side of the South American Plate
San Andres Fault
✔✔
✔✔
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Note Packet pages 12-13 questions 1-13Note Packet pages 12-13 questions 1-13
1. A2. C3. D4. A5. D6. D7. C
8. 19. C10.They move the
lithospheric plates
11. 35°N, 18°W12. Divergent13. Located on a
hot spot
